Multifunctional bearing

Abstract

The invention belongs to the technical field of multifunctional bearings, and discloses a multifunctional bearing which comprises a bearing outer ring, a bearing retainer is fixedly connected in the bearing outer ring, a bearing ball is rotatably connected in the bearing retainer, the bearing ball is rotatably connected with the bearing outer ring, the bearing ball is rotatably connected with a bearing inner ring, and the bearing inner ring is rotatably connected with the bearing retainer. A bearing rotating shaft is installed in the bearing inner ring, and shell fixing plates which are symmetrically distributed in a circumferential array mode are fixedly connected to the bearing outer ring. Through cooperation of structures such as a bearing rotating shaft and a cleaning shell, the bearing rotating shaft drives a bearing inner ring to rotate synchronously, then a rotating connecting plate is driven to rotate synchronously, and then under the action of centrifugal force, a sliding wedge-shaped curved bar slides in the direction away from the bearing rotating shaft along the rotating connecting plate; and then the sliding wedge-shaped curved bar makes contact with the air pushing piston, the air pushing piston slides into the cleaning shell, and then the air pressure of air in the cleaning shell is increased.

Description

Technical Field

[0001] The invention belongs to the technical field of multifunctional bearings, in particular to a multifunctional bearing. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies and reduce the mechanical load friction coefficient of the equipment during transmission. Existing bearings mainly include: a bearing outer ring and a bearing inner ring, an outer ball groove arranged on the inner side of the bearing outer ring, an inner ball groove arranged on the outer side of the bearing inner ring, and balls rolling between the outer ball groove and the inner ball groove.

[0003] During the use of this bearing, as the ball rolls in the outer ball groove and the inner ball groove, strong friction is generated between the outer ring and the inner ring of the bearing. After a long period of friction, the ball shrinks and the gap between the outer ball groove and the inner ball groove becomes larger. Lubricating oil is applied to the ball to reduce the friction between the ball and the outer ring and inner ring of the bearing. However, the bearing is used in a dusty environment. As the bearing is used, a lot of dust will adhere to the lubricating oil. The attached dust will cause abrasive particles to form between the ball and the inner and outer rings of the bearing, causing wear on the rolling surface and thus reducing the service life of the bearing. The entry of dust will increase friction, causing the bearing to run unsmoothly, resulting in increased heat and affecting the normal operation of the machine. At the same time, the increase in dust causes the lubricating oil to become viscous, reducing the lubricating effect of the lubricating oil. Summary of the invention

[0004] In order to solve the problem proposed in the above background technology that the friction between the inner ring and the outer ring of the bearing during use will cause the ball to shrink, the friction between the ball and the inner ring and the outer ring of the bearing can be increased after using lubricating oil, but a lot of dust will be attached to the ball and the lubricating oil, and the attached dust will cause abrasive particles to form between the ball and the inner and outer rings of the bearing, causing wear of the rolling surface, thereby reducing the service life of the bearing, and the entry of dust will increase friction, causing the bearing to run unsmoothly, resulting in heat increase, affecting the normal operation of the machine, and at the same time the increase in dust causes the lubricating oil to become viscous, reducing the lubricating effect of the lubricating oil. The present invention provides a multifunctional bearing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multifunctional bearing, comprising a bearing outer ring, a bearing retainer fixedly connected to the inner side of the bearing outer ring, a bearing ball rotatably connected to the inner side of the bearing retainer, the bearing ball is rotatably connected to the bearing outer ring, the bearing ball is rotatably connected to the bearing inner ring, a bearing rotating shaft is installed in the bearing inner ring, a shell fixing plate symmetrically distributed in a circumferential array is fixedly connected to the bearing outer ring, a cleaning shell is fixedly connected to the shell fixing plate, and an air push piston is slidably connected through the cleaning shell.

[0006] Preferably, a side of the cleaning shell close to the outer ring of the bearing is fixedly connected with an air outlet cleaning port distributed in a circumferential array, a limiting sliding piston is slidably connected in the air outlet cleaning port, the limiting sliding piston is slidably connected to the cleaning shell, a limiting sliding ring is slidably connected to the limiting sliding piston, the limiting sliding ring is fixedly connected to the cleaning shell, and a second reset spring is arranged between the limiting sliding ring and the limiting sliding piston.

[0007] Preferably, a through hole for gas circulation is provided on the position-limiting sliding ring, and the length of the sliding rod of the position-limiting sliding piston is shortened from top to bottom.

[0008] Preferably, the diameter of the air outlet cleaning port is the same as the distance between the bearing outer ring and the bearing inner ring, and the center of the array of the air outlet cleaning ports is coaxial with the center of the bearing outer ring and the bearing inner ring.

[0009] Preferably, a limiting sliding frame is fixedly connected to the side of the cleaning shell away from the outer ring of the bearing, the limiting sliding frame is slidably connected to the air push piston, a first reset spring is arranged between the limiting sliding frame and the cleaning shell, a shell air inlet is fixedly connected to the cleaning shell, and a one-way valve for gas to flow into the cleaning shell is arranged between the shell air inlet and the cleaning shell.

[0010] Preferably, a rotating connecting plate is fixedly connected to the inner ring of the bearing, a sliding wedge-shaped curved rod is slidably connected through the rotating connecting plate, and a first return spring is arranged between the sliding wedge-shaped curved rod and the rotating connecting plate.

[0011] Preferably, a wedge-shaped column is provided on the sliding wedge-shaped crank rod, and a wedge-shaped sliding column is provided on the air-thrust piston, and the wedge-shaped column of the sliding wedge-shaped crank rod and the wedge-shaped sliding column of the air-thrust piston are decompressed and matched.

[0012] Preferably, a lubricating piston distributed in a circumferential array is slidably connected through the inner ring of the bearing, and a third reset tension spring is provided between the lubricating piston and the inner ring of the bearing.

[0013] Preferably, a piston shaft is provided on the third reset tension spring, and the piston shaft of the third reset tension spring is made of a flexible material.

[0014] Preferably, a piston cavity for sliding a lubricating piston is provided in the inner ring of the bearing, the piston cavity of the inner ring of the bearing is filled with lubricating oil, the lubricating piston is squeezed into a fitting with a bearing ball, and the tension of the third reset spring is smaller than the centrifugal force of the inner ring of the bearing rotating during use.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The invention provides a combination of structures such as a bearing rotating shaft and a cleaning shell, so that the bearing inner ring is driven to rotate synchronously through the bearing rotating shaft, and then the rotating connecting plate is driven to rotate synchronously, and then under the action of centrifugal force, the sliding wedge-shaped curved rod slides along the rotating connecting plate in a direction away from the bearing rotating shaft, so that the sliding wedge-shaped curved rod contacts the air push piston, so that the air push piston slides into the cleaning shell, and then the gas pressure in the cleaning shell is increased, and the sliding of the air push piston squeezes the limit sliding piston to slide in the direction of the bearing outer ring, and then contacts the closed state between the limit sliding piston and the air outlet cleaning port, so that the gas in the cleaning shell is sprayed to the bearing balls between the bearing outer ring and the bearing inner ring through the gap between the limit sliding ring and the limit sliding piston and the air outlet cleaning port, and the dust attached to the bearing balls is blown away, so as to reduce the amount of dust attached to the bearing balls, avoid dust accelerating the consumption of lubricating oil on the bearing balls and increasing the viscosity of the lubricating oil, thereby reducing the service life of the bearing;

[0017] The present invention cooperates with structures such as the bearing inner ring and the lubricating piston. When the rotation speed of the bearing inner ring increases, the centrifugal force on the lubricating piston in the bearing inner ring increases and is greater than the pulling force of the second return spring, causing the lubricating piston to slide toward the outside of the bearing inner ring, thereby causing the lubricating piston to contact the bearing balls. The lubricating oil in the piston cavity between the lubricating piston and the bearing inner ring adsorbed on the lubricating piston is squeezed into contact with the bearing balls, thereby delivering the lubricating oil to the bearing balls. At the same time, as the lubricating piston slides toward the outside of the bearing inner ring, the lubricating oil between the bearing inner ring and the lubricating piston is squeezed, so that the pressure on the lubricating oil between the bearing inner ring and the lubricating piston increases, so that there is always lubricating oil on the lubricating piston delivered to the bearing balls, thereby avoiding increased consumption of lubricating oil on the bearing balls due to the accelerated rotation speed of the bearing inner ring. The bearing balls are replenished with lubricating oil by the lubricating piston, thereby extending the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a left view of the structure of the present invention;

[0020] Figure 3 It is an exploded schematic diagram of the cleaning structure of the present invention;

[0021] Figure 4 This is a schematic diagram of the connection of the drive structure of the present invention;

[0022] Figure 5 It is a schematic diagram of the cleaning structure shell of the present invention;

[0023] Figure 6 This is a schematic diagram of the explosion of the cleaning structure shell of the present invention;

[0024] Figure 7 This is a schematic diagram of the explosion of the gas outlet piston structure of the present invention;

[0025] Figure 8 It is a half-section schematic diagram of the lubrication structure of the present invention.

[0026] In the figure: 100, bearing outer ring; 101, bearing inner ring; 102, bearing ball; 103, bearing retainer; 200, bearing rotating shaft; 300, rotating connecting plate; 301, sliding wedge-shaped curved rod; 302, reset spring; 400, cleaning shell; 401, shell fixing plate; 402, shell air inlet; 403, air push piston; 404, limit sliding frame; 405, first reset tension spring; 406, limit sliding ring; 407, limit sliding piston; 408, second reset tension spring; 409, air outlet cleaning port; 500, lubrication piston; 501, third reset tension spring. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] like Figures 1 to 8 As shown, the present invention provides a multifunctional bearing, including a bearing outer ring 100, a bearing retainer 103 is fixedly connected inside the bearing outer ring 100, a bearing ball 102 is rotatably connected inside the bearing retainer 103, the bearing ball 102 is rotatably connected to the bearing outer ring 100, the bearing ball 102 is rotatably connected to a bearing inner ring 101, a bearing rotating shaft 200 is installed in the bearing inner ring 101, a shell fixing plate 401 distributed in a symmetrical circumferential array is fixedly connected to the bearing outer ring 100, the shell fixing plate 401 is fixedly connected to a cleaning shell 400, and an air push piston 403 is slidably connected through the cleaning shell 400.

[0029] A circumferentially arrayed air outlet cleaning port 409 is fixedly connected to one side of the cleaning shell 400 near the bearing outer ring 100, a limiting sliding piston 407 is slidably connected inside the air outlet cleaning port 409, the limiting sliding piston 407 is slidably connected to the cleaning shell 400, a limiting sliding ring 406 is slidably connected to the limiting sliding piston 407, the limiting sliding ring 406 is fixedly connected to the cleaning shell 400, and a second reset tension spring 408 is arranged between the limiting sliding ring 406 and the limiting sliding piston 407.

[0030] A through hole for gas circulation is provided on the position-limiting sliding ring 406 , and the length of the sliding rod of the position-limiting sliding piston 407 is shortened from top to bottom.

[0031] The diameter of the air outlet cleaning port 409 is the same as the distance between the bearing outer ring 100 and the bearing inner ring 101 , and the center of the array of the air outlet cleaning port 409 is coaxial with the center of the bearing outer ring 100 and the bearing inner ring 101 .

[0032] A limiting sliding frame 404 is fixedly connected to the side of the cleaning shell 400 away from the bearing outer ring 100. The limiting sliding frame 404 is slidably connected to the air push piston 403. A first reset tension spring 405 is arranged between the limiting sliding frame 404 and the cleaning shell 400. A shell air inlet 402 is fixedly connected to the cleaning shell 400. A one-way valve for gas to flow into the cleaning shell 400 is arranged between the shell air inlet 402 and the cleaning shell 400.

[0033] A rotating connecting plate 300 is fixedly connected to the bearing inner ring 101 , a sliding wedge-shaped curved rod 301 is slidably connected to the rotating connecting plate 300 , and a first return spring 302 is provided between the sliding wedge-shaped curved rod 301 and the rotating connecting plate 300 .

[0034] A wedge-shaped column is provided on the sliding wedge-shaped curved rod 301 , and a wedge-shaped sliding column is provided on the air push piston 403 . The wedge-shaped column of the sliding wedge-shaped curved rod 301 and the wedge-shaped sliding column of the air push piston 403 are matched in a decompression manner.

[0035] The above scheme is adopted: the bearing rotating shaft 200 drives the bearing inner ring 101 to rotate, so that the centrifugal force on the sliding wedge-shaped curved rod 301 is greater than the elastic force of the first return spring 302, and then the first return spring 302 is squeezed, so that the sliding wedge-shaped curved rod 301 slides along the rotating connecting plate 300 in the direction away from the bearing rotating shaft 200, so that the sliding wedge-shaped curved rod 301 contacts the air push piston 403, and squeezes the air push piston 403 to slide into the cleaning shell 400, through the circumferential array of air outlet cleaning ports 409 and the limiting sliding piston 407, the air push piston 403 gradually squeezes the limiting sliding piston 407, so that the gas in the cleaning shell 400 is blown from top to bottom to the bearing ball 102 between the bearing outer ring 100 and the bearing inner ring 101 through the gap between the limiting sliding piston 407 and the air outlet cleaning port 409, and then the mutually coordinated gas is blown out, so that the dust attached to the bearing ball 102 is blown away while preventing the dust from attaching again.

[0036] like Figure 8 As shown, a lubricating piston 500 distributed in a circumferential array is slidably connected through the inner ring 101 of the bearing, and a third reset tension spring 501 is arranged between the lubricating piston 500 and the inner ring 101 of the bearing.

[0037] A piston shaft is arranged on the third reset tension spring 501 , and the piston shaft of the third reset tension spring 501 is made of a flexible material.

[0038] A piston cavity is provided in the bearing inner ring 101 for the lubricating piston 500 to slide. The piston cavity of the bearing inner ring 101 is filled with lubricating oil. The lubricating piston 500 is squeezed and fitted with the bearing ball 102. The tension of the third reset spring 501 is less than the centrifugal force of the bearing inner ring 101 rotating during use.

[0039] The above scheme is adopted: when the bearing inner ring 101 rotates too fast, the consumption of lubricating oil on the bearing ball 102 will be accelerated. The increased rotation of the bearing inner ring 101 will increase the centrifugal force on the lubricating piston 500, so that the lubricating piston 500 slides toward the outside of the bearing inner ring 101 while squeezing the lubricating oil in the piston cavity between the lubricating piston 500 and the bearing inner ring 101. The lubricating piston 500 is squeezed and contacted with the bearing ball 102, so that the lubricating oil on the lubricating piston 500 is attached to the bearing ball 102. At the same time, after the squeezed lubricating oil is consumed by the lubricating oil on the lubricating piston 500, the lubricating oil is replenished for the lubricating piston 500 again to ensure that there is sufficient lubricating oil on the bearing ball 102.

[0040] The working principle and use process of the present invention:

[0041] When the bearing is in use, dust may adhere to the bearing balls 102 between the bearing outer ring 100 and the bearing inner ring 101, and then with the rotation of the bearing rotating shaft 200, the bearing inner ring 101 installed and rotating together with the bearing rotating shaft 200 is driven to rotate synchronously, and then the bearing inner ring 101 drives the rotating connecting plate 300 to rotate synchronously, and then drives the sliding wedge-shaped curved rod 301 to rotate synchronously, so that the sliding wedge-shaped curved rod 301 is affected by the centrifugal force and slides along the rotating connecting plate 300 in the direction away from the bearing rotating shaft 200, thereby compressing the first return spring 302, so that the sliding wedge-shaped curved rod 301 contacts the air push piston 403, and then through the wedge extrusion of the sliding wedge-shaped curved rod 301 and the air push piston 403, the air push piston 403 slides in the direction of the cleaning shell 400, thereby squeezing the gas in the cleaning shell 400, so that the gas pressure in the cleaning shell 400 increases, and at the same time At the same time, the air push piston 403 slides into the cleaning shell 400, thereby squeezing the limiting sliding piston 407 to slide in the same direction, thereby changing the closed piston structure between the limiting sliding piston 407 and the air outlet cleaning port 409 into an open state, thereby causing the gas in the cleaning shell 400 to be ejected outward through the gap between the limiting sliding piston 407 and the air outlet cleaning port 409, and then sprayed to the gap between the bearing outer ring 100 and the bearing inner ring 101, blowing away the dust attached to the bearing ball 102. Since the length of the limiting sliding piston 407 decreases from top to bottom, the gas blown out from the gap between the limiting sliding piston 407 and the air outlet cleaning port 409 is blown out from top to bottom. At the same time, since the cleaning shell 400 is arranged in a circumferential array, the inner ring 101 of the bearing drives the sliding wedge-shaped curved rod 301 to rotate, and the dust attached to the bearing ball 102 between the inner ring 101 and the outer ring 100 of the bearing is blown away in turn.

[0042] As the bearing inner ring 101 drives the rotating connecting plate 300 to rotate, the sliding wedge-shaped curved rod 301 contacts and separates from the upper air push piston 403, and under the pulling force of the first reset spring 405, the air push piston 403 slides and resets along the limit sliding frame 404 in the direction away from the bearing outer ring 100, and then the limit sliding piston 407 slides and resets in the direction away from the bearing outer ring 100 under the pulling force of the second reset spring 408, and then the limit sliding piston 407 and the air outlet cleaning port 409 are restored to a closed state, and then under the action of atmospheric pressure, the outside air replenishes the gas into the cleaning shell 400 through the one-way valve between the shell air inlet 402 and the cleaning shell 400.

[0043] As the bearing rotating shaft 200 drives the bearing inner ring 101 to rotate, since the bearing balls 102 rotating between the bearing outer ring 100 and the bearing inner ring 101 are provided with lubricating oil, the friction between the bearing balls 102 and the bearing outer ring 100 and the bearing inner ring 101 is reduced. As the rotation speed of the bearing rotating shaft 200 increases, the lubricating oil consumption on the bearing balls 102 will also increase. Then, when the rotation speed of the bearing rotating shaft 200 is faster, the centrifugal force on the third reset tension spring 501 in the bearing inner ring 101 increases to be greater than the tension of the third reset tension spring 501, thereby lubricating the piston 500 slides toward the outside of the bearing inner ring 101 until it contacts and is squeezed with the bearing ball 102, so that the lubricating oil on the lubricating piston 500 adheres to the bearing ball 102. Since the piston cavity between the lubricating piston 500 and the bearing inner ring 101 is filled with lubricating oil, under the action of centrifugal force and the squeezing of the lubricating piston 500, the lubricating oil in the piston cavity between the lubricating piston 500 and the bearing inner ring 101 is squeezed and continuously transported to the end of the lubricating piston 500 outside the bearing inner ring 101, so that the bearing ball 102 is always replenished with lubricating oil.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional bearing, comprising a bearing outer ring (100), characterized in that: A bearing retainer (103) is fixedly connected to the bearing outer ring (100), a bearing ball (102) is rotatably connected to the bearing retainer (103), the bearing ball (102) is rotatably connected to the bearing outer ring (100), the bearing ball (102) is rotatably connected to the bearing inner ring (101), a bearing rotating shaft (200) is installed in the bearing inner ring (101), a shell fixing plate (401) distributed in a symmetrical circumferential array is fixedly connected to the bearing outer ring (100), the shell fixing plate (401) is fixedly connected to a cleaning shell (400), and a pneumatic push piston (403) is slidably connected to the cleaning shell (400).

2. The multifunctional bearing according to claim 1, characterized in that: A circumferentially arrayed air outlet cleaning port (409) is fixedly connected to one side of the cleaning shell (400) near the bearing outer ring (100); a limiting sliding piston (407) is slidably connected inside the air outlet cleaning port (409); the limiting sliding piston (407) is slidably connected to the cleaning shell (400); a limiting sliding ring (406) is slidably connected to the limiting sliding piston (407); the limiting sliding ring (406) is fixedly connected to the cleaning shell (400); a second reset tension spring (408) is provided between the limiting sliding ring (406) and the limiting sliding piston (407).

3. The multifunctional bearing according to claim 2, characterized in that: The position-limiting sliding ring (406) is provided with a through hole for gas circulation, and the length of the sliding rod of the position-limiting sliding piston (407) is shortened from top to bottom.

4. The multifunctional bearing according to claim 2, characterized in that: The diameter of the air outlet cleaning port (409) is the same as the distance between the bearing outer ring (100) and the bearing inner ring (101), and the array center of the air outlet cleaning port (409) is coaxial with the center of the bearing outer ring (100) and the bearing inner ring (101).

5. The multifunctional bearing according to claim 1, characterized in that: A limiting sliding frame (404) is fixedly connected to the side of the cleaning shell (400) away from the bearing outer ring (100), and the limiting sliding frame (404) is slidably connected to the air push piston (403). A first reset tension spring (405) is arranged between the limiting sliding frame (404) and the cleaning shell (400). A shell air inlet (402) is fixedly connected to the cleaning shell (400), and a one-way valve for gas to flow into the cleaning shell (400) is arranged between the shell air inlet (402) and the cleaning shell (400).

6. The multifunctional bearing according to claim 5, characterized in that: A rotating connecting plate (300) is fixedly connected to the bearing inner ring (101), a sliding wedge-shaped curved rod (301) is slidably connected through the rotating connecting plate (300), and a first return spring (302) is arranged between the sliding wedge-shaped curved rod (301) and the rotating connecting plate (300).

7. The multifunctional bearing according to claim 6, characterized in that: The sliding wedge-shaped curved rod (301) is provided with a wedge-shaped column, and the air-thrusting piston (403) is provided with a wedge-shaped sliding column. The wedge-shaped column of the sliding wedge-shaped curved rod (301) and the wedge-shaped sliding column of the air-thrusting piston (403) are in decompression cooperation.

8. The multifunctional bearing according to claim 1, characterized in that: The inner ring (101) of the bearing is slidably connected with a lubricating piston (500) distributed in a circumferential array, and a third reset tension spring (501) is arranged between the lubricating piston (500) and the inner ring (101) of the bearing.

9. The multifunctional bearing according to claim 8, characterized in that: The third reset tension spring (501) is provided with a piston shaft, and the piston shaft of the third reset tension spring (501) is made of a flexible material.

10. The multifunctional bearing according to claim 9, characterized in that: The bearing inner ring (101) is provided with a piston cavity for the lubricating piston (500) to slide, the piston cavity of the bearing inner ring (101) is filled with lubricating oil, the lubricating piston (500) is squeezed and matched with the bearing ball (102), and the tension of the third reset tension spring (501) is smaller than the centrifugal force of the bearing inner ring (101) rotating during use.

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